American Chopper: Senior vs Junior

American Chopper: Senior vs. Junior is a reality television spin-off, based on the original series American Chopper, which premiered on the TLC channel on August 12, 2010. The show chronicles the rivalry between Orange County Choppers (OCC) owned by Paul Teutul, Sr. and his son Paul Teutul, Jr.'s newly opened motorcycle business Paul Jr. Designs (PJD).